diff --git a/lib/schema/cache.ex b/lib/schema/cache.ex
index 666e641..71471d7 100644
--- a/lib/schema/cache.ex
+++ b/lib/schema/cache.ex
@@ -41,6 +41,8 @@ defmodule Schema.Cache do
   @type category_t() :: map()
   @type dictionary_t() :: map()
 
+  @ocsf_deprecated :"@deprecated"
+
   @doc """
   Load the schema files and initialize the cache.
   """
@@ -64,6 +66,7 @@ defmodule Schema.Cache do
 
     # Apply profiles to objects and classes
     {objects, profiles} = Profiles.sanity_check(:object, objects, profiles)
+
     objects =
       objects
       |> Utils.update_objects(attributes)
@@ -290,6 +293,7 @@ defmodule Schema.Cache do
       [ext, _] ->
         ext_name = String.to_atom("#{ext}/#{name}")
         dictionary[ext_name] || dictionary[name]
+
       _ ->
         Logger.warning("#{name} has an invalid source: #{source}")
         dictionary[name]
@@ -662,17 +666,44 @@ defmodule Schema.Cache do
   end
 
   defp final_check(maps, dictionary) do
-    Enum.into(maps, %{}, fn {name, value} ->
-      {name, final_check(name, value, dictionary)}
+    Enum.into(maps, %{}, fn {name, map} ->
+      deprecated_type(name, map, Map.get(map, @ocsf_deprecated))
+
+      {name, final_check(name, map, dictionary)}
     end)
   end
 
+  defp deprecated_type(_name, _map, nil) do
+  end
+  
+  defp deprecated_type(name, map, deprecated) do
+    type =
+      if Map.has_key?(map, :category) do
+        "class"
+      else
+        "object"
+      end
+
+    message = Map.get(deprecated, :message)
+    Logger.warning("The #{name} #{type} has been deprecated. #{message}")
+  end
+
   defp final_check(name, map, dictionary) do
     profiles = map[:profiles]
     attributes = map[:attributes]
 
     list =
       Enum.reduce(attributes, [], fn {key, attribute}, acc ->
+        case Map.get(attribute, @ocsf_deprecated) do
+          nil ->
+            :ok
+
+          deprecated ->
+            Logger.warning(
+              "The #{key} attribute in #{name} has been deprecated. #{Map.get(deprecated, :message)}"
+            )
+        end
+
         if is_nil(attribute[:description]) do
           desc = get_in(dictionary, [key, :description]) || ""
 
diff --git a/lib/schema_web/templates/page/category.html.eex b/lib/schema_web/templates/page/category.html.eex
index 00c90bf..fabfd0d 100644
--- a/lib/schema_web/templates/page/category.html.eex
+++ b/lib/schema_web/templates/page/category.html.eex
@@ -18,7 +18,7 @@ limitations under the License.
         Category
       </span>
     </h3>
-    <div class="text-dark"><%= raw @data[:description] %></div>
+    <div class="text-dark"><%= raw description(@data) %></div>
   </div>
   <div class="col-md-auto fixed-right mt-2">
     <div class="form-inline">
@@ -54,7 +54,7 @@ limitations under the License.
         <% else %>
           <td></td>
         <% end %>
-        <td><%= raw class[:description] %></td>
+        <td><%= raw description(class) %></td>
       </tr>
     <% end %>
     </tbody>
diff --git a/lib/schema_web/templates/page/class.html.eex b/lib/schema_web/templates/page/class.html.eex
index f9c853f..2889275 100644
--- a/lib/schema_web/templates/page/class.html.eex
+++ b/lib/schema_web/templates/page/class.html.eex
@@ -32,7 +32,7 @@ limitations under the License.
     </h4>
 
     <div class="text-secondary">
-      <%= raw @data[:description] %>
+      <%= raw description(@data) %>
     </div>
     <div class="mt-1">
       <%= raw class_examples(@data) %>
diff --git a/lib/schema_web/templates/page/classes.html.eex b/lib/schema_web/templates/page/classes.html.eex
index 845e961..f6a0e31 100644
--- a/lib/schema_web/templates/page/classes.html.eex
+++ b/lib/schema_web/templates/page/classes.html.eex
@@ -50,7 +50,7 @@ limitations under the License.
           <% else %>
             <td></td>
           <% end %>
-          <td><%= raw map[:description] %></td>
+          <td><%= raw description(map) %></td>
         </tr>
       <% end %>
     </tbody>
diff --git a/lib/schema_web/templates/page/dictionary.html.eex b/lib/schema_web/templates/page/dictionary.html.eex
index 8fdb3df..ec2889b 100644
--- a/lib/schema_web/templates/page/dictionary.html.eex
+++ b/lib/schema_web/templates/page/dictionary.html.eex
@@ -47,7 +47,7 @@ limitations under the License.
           <td><%= name %></td>
           <td><%= raw format_type(@conn, field) %></td>
           <td><%= raw links(@conn, key, field[:_links]) %></td>
-          <td><%= raw field[:description] %></td>
+          <td><%= raw description(field) %></td>
         </tr>
       <% end %>
     </tbody>
diff --git a/lib/schema_web/templates/page/object.html.eex b/lib/schema_web/templates/page/object.html.eex
index ed7a709..e137acd 100644
--- a/lib/schema_web/templates/page/object.html.eex
+++ b/lib/schema_web/templates/page/object.html.eex
@@ -41,7 +41,7 @@
     </h3>
     
     <div class="text-secondary">
-      <%= raw @data[:description] %>
+      <%= raw description(@data) %>
     </div>
   </div>
   <div class="col-md-auto fixed-right mt-2">
diff --git a/lib/schema_web/templates/page/objects.html.eex b/lib/schema_web/templates/page/objects.html.eex
index 1ee65c1..737eeea 100644
--- a/lib/schema_web/templates/page/objects.html.eex
+++ b/lib/schema_web/templates/page/objects.html.eex
@@ -45,7 +45,7 @@ limitations under the License.
           <td class="name"><a href="<%= path %>"><%= raw format_attribute_name(name, map) %></a></td>
           <td><a href="<%= path %>"><%= name %></a></td>
           <td><%= raw links(@conn, name, map[:_links]) %></td>
-          <td><%= raw map[:description] %></td>
+          <td><%= raw description(map) %></td>
         </tr>
       <% end %>
     </tbody>
diff --git a/lib/schema_web/views/page_view.ex b/lib/schema_web/views/page_view.ex
index 03b8b7d..867114b 100644
--- a/lib/schema_web/views/page_view.ex
+++ b/lib/schema_web/views/page_view.ex
@@ -313,9 +313,9 @@ defmodule SchemaWeb.PageView do
     end
   end
 
-  @spec format_desc(nil | map) :: any
+  @spec format_desc(map) :: any
   def format_desc(obj) do
-    description = Map.get(obj, :description)
+    description = description(obj)
 
     case Map.get(obj, :enum) do
       nil ->
@@ -488,4 +488,22 @@ defmodule SchemaWeb.PageView do
   defp format_number(n) do
     Number.Delimit.number_to_delimited(n, precision: 0)
   end
+
+  def description(map) do
+    deprecated(map, Map.get(map, :"@deprecated"))
+  end
+  
+  defp deprecated(map, nil) do
+    Map.get(map, :description)
+  end
+  
+  defp deprecated(map, deprecated) do
+    [
+      Map.get(map, :description),
+      "<div class='text-dark mt-2'><span class='bg-warning'>DEPRECATED</span> ",
+      Map.get(deprecated, :message),
+      "</div>"
+    ]
+  end
+
 end
diff --git a/mix.exs b/mix.exs
index 1a3e439..dd5018d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -10,7 +10,7 @@
 defmodule Schema.MixProject do
   use Mix.Project
 
-  @version "2.53.0"
+  @version "2.54.0"
 
   def project do
     build = System.get_env("GITHUB_RUN_NUMBER") || "SNAPSHOT"